var student = 5.5
var teacher = 60

function show(param) {
    console.log(param);
}

var teacher = {
    name: '忘忧大师',
    age: 60,
    kongfu:  ['天眼通', '天魔舞', '金刚伏魔神通']
}
//深度克隆
var t1 = teacher

// 遍历teacher对象
for (const key in teacher) {
    var item = teacher[key]
    // console.log(key);
    // console.log(item); 
}

var kongfu = ['天眼通', '天魔舞', '金刚伏魔神通']
//遍历数组
for (const item of kongfu) {
    // console.log(item);
}

// var mystr = '这是web开发'
var mystr = '新中国成立75周年'

